Window



Nov. 28, 1961 V. SEGRE WINDOW Filed April 18, 1960 /NVENraR 3,010,164 WINDOW Valfredo Segre, 3005 Picquet Road, Montreal, Quebec, Canada Filed Apr. 18, 1960, Ser. No. 22,980 2 Claims. (Cl. 20-52.2)

This invention relates to metal windows in which the sash may be removed from the frame for cleaning, reglazing and other purposes. Conventional windows of this type comprise a frame in which one of the slideways is deeper than the other, so that the sash may be inserted and removed by pushing it completely into the deeper slideway, in Which position the sash clears the shallow slideway. In the assembled position resilient means are provided to urge the sash into the shallow slideway.

The invention is particularly concerned with improvements of the resilient means, which, according to the invention are mounted on the sash and have a small surface so that less friction need be overcome When Opening or closing the window.

These novel resilient means also respond to another object of the invention, which consists in that the balance which is provided to hold the sash at any desired position is assembled with the sash and not, as is usually done, with the frame. For this purpose the resilient means are located near the top and bottom of the sash, so as not to interfere with the balance, and furtherrnore the resilient mean-s are provided with central open portions in order to clear the rope of the balance.

Assembly of the balance with the sash instead of with the frame presents the advantage that the balance is more easily accessible -for maintenance, since the sash is removable, and is at the same time less visible, so that the appearance of the Window is greatly improved.

An embodiment of the invention is illustrated by way of example in the accompanying drawings, in Which:

FIG. 1 is a front elevation of the lower sash with some parts broken away;

FIG. 2 is a side elevation of the lower sash;

FIG. 3 is a horizontal section of a window frame showing in plan the lower sash in assembled position and the upper sash as it is being inserted or removed; and

FIG. 4 is a perspective detail of the U-member of the spring assembly devices.

Referring to the drawings, each sash is of con- Ventional construction, and has its members hollow and open outwardly a-s shown at 11, except for the top horizontal member 12 of the lower sash and the top horizontal member 12' and bottom horizontal member (not shown) of the upper sash, which are closed at the outer edge. The two sashes are identical but disposed in opposite positions; each sash 10' has projecting therefrom a sealing lip 13 which engages an identical element of the other sash With suitable Weather stripping mounted on one of the lips.

A pair of U-shaped members 14 and 15 (FIGS. 1 and 2) are slidably mounted on each sash and project from the top and .bottom respectively of one Vertical edge thereof. The U-member 14 slides in the hollow portion of the closed top horizontal sash member 12, and has one of its lips grooved to clear a rib 13' corresponding to the sealing lip 13; the U-member 15 is slidably retained 3,0l0,l64 Patented Nov. 28, 1961 BCC in the hollow portion of the bottom horizontal sash member by inwardly projecting flanges 16 (FIG. 2).

- Tensional coil springs [17 are secured to the Vertical sash member 18 by means of screws 19 and have their other ends wound around the crotch of each U-member 14 and 15, the crotch being notched at 20 (FIG. 4) to receive said wound end of the spring.

The window frame, indicated at 21 in FIG. 3, has its side members formed with pai'rs of slideways for the upper and lower sashes 10. The slideways 22 of one side member are relatively deep, whereas the slideways 23 of the other are relatively shallow. In all the slideways there are provided rubber sealing strips 24 held in place in the grooves 25 (one of the grooves 25 is shown vvithout the sealing strip).

The sashes and slideways are of dimensions such that each sash clears the shallow slideways 23 when it is moved horizontally to completely engage in the deep slideway 22, but still engages the deep slideway 22 when it is completely engaged in the shallow slideway 23. Thus the sashes can be inserted in the frame or removed from it With a turning motion. The edges of the sashes which have the U-members 14 and 15 projecting therefrom are inserted in the deep slideways 22, and in the assembled condition the springs 17 pull on the members 14 and 15 and urge the sashes into complete engagement with the slideways 23 so as to retain the sashes in position.

The sash edges fitting in slideways 23 have rounded projections 26 to prevent engagernent of the entire edge with the frame, which would generate too much friction.

A conventional balance 27 which is available commercially as a unit, fits in the hollow portion of the Vertical sash member 18 and has a rope 28 to the end of Which is fastened a tab 29' to which are pivoted a long catch 30 and a short catch 31. The long catch 30 is adapted to engage a hook (not shown) secured to the window frame 21, while the short catch 31 may be -attached to a hook 32 secured to the upper horizontal sash members 12 and 112' when the sash is removed from the frame. Thus when the sash is inserted in the frame a portion of the long catch 30 projects above the top edge of the sash and may conveniently be grasped and hooked to the window frame 21.

The invention is limited not by the features of the embodiments descrbed and illustrated but only by the scope of the appended claims.

What I claim is:

1. A window structure comprising in combination, a frame having a first relatively shallow lateral slideway and a second relatively deep lateral slideway and a sash vertically slidable in the slideways of said frame, said sash and said slideways being so dimensioned that said sash clears said first shallow slideway When it is completely engaged in said second deep slideway but engages bers traversing the open ends of the Vertical sash frame members engaging in. the said second slideway of the frame and projecting outwardly of the sash frame, a

spring within each of said U-shaped. members, one end of the said Springs being secured to the crotch of said U-shaped members and the opposite end to the inner surface of the adjacent channel Vertical sash frame member, the said Springs urging said U-shaped members outwardly of the sash against said window frame and the said sash into complete engagement with said first slideway.

2. A window according to claim 1 in which a balance engaging hook is secured to the upper surface of said top hollow member of the sashiopposite the top open end of the adjacent side channel member and straddled by the said topmost U-shaped member.

References Cited in the file of this patent UNITED STATES PATENTS 

